concertina razor wire is made of hot-dip galvanized plate, hot-dip galvanized wire, stainless steel sheet and steel wire. Concertina razor wire is a kind of modern safety fence material made of sharp steel blade and high-strength steel wire. 

The splicing and cutting blade are installed on the top of the wall to scare and prevent the aggressive perimeter invaders, making climbing and touching extremely difficult.

It is widely used in military field, prison, detention house, government building, bank, private residence, residential fence, villa fence door and window, highway, railway fence, border gate and so on. Obviously, it has become the mainstream of high-level fence.